Drill hole measuring device and rock drilling unit

Details Drill hole measuring device and rock drilling unit Drill hole measuring device and rock drilling unit

2004-04-08

2010-02-02

Thompson, Kenneth (Department: 3672)

Wells

Processes

With indicating, testing, measuring or locating

C166S250110, C073S152540, C175S040000

Reexamination Certificate

active

07654317

ABSTRACT:
A drill hole measuring device and a rock drilling unit equipped with the measuring device. The measuring device (1) comprises a protective element (3), inside which a sensor (6) can be transferred by means of a transfer device (4).

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